| Swiss Open WD Qual | 2018/01/11 07:30 | Marton Szerecz v Joonas Korhonen | W | 1-2 |
| Polish Int. | 2017/09/22 09:30 | Mihkel Laanes v Joonas Korhonen | W | 0-2 |
| Giraldilla Int. XD | 2016/12/07 14:19 | Mikkel Mikkelsen v Joonas Korhonen | L | 2-0 |
| Giraldilla Int. XD | 2017/12/06 11:30 | Kevin Arokia Walter v Iikka Heino | L | 0-2 |
| Polish Int. | 2017/09/21 14:30 | Peter Lang v Kevin Arokia Walter | L | 2-1 |